Assembly type hooking lock device

By introducing a dustproof mechanism into the hook lock, the problem of dust accumulation causing thread jamming is solved, achieving both convenient assembly and dustproof effect.

CN223764452UActive Publication Date: 2026-01-06XIAN METRO
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Patent Information

Application Number
CN202520423103.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-06
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

The existing hook lock lacks a dustproof mechanism, which leads to dust accumulation, causing the threads to jam and making disassembly difficult.

Method used

An assembly-type hook lock is designed, which includes a reference rod, a locking block, a clamping nut, and a dustproof mechanism. The dustproof mechanism covers the external thread to prevent dust accumulation.

Benefits of technology

It achieves convenient assembly, effectively prevents dust accumulation, avoids thread jamming, and improves ease of use and reliability.

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Abstract

The utility model relates to the technical field of hooking lock devices, and discloses an assembly type hooking lock device which comprises a reference rod, a first clamping block, a second clamping block, a clamping nut and a dustproof mechanism, the first clamping block is fixed to the left end of the reference rod, the second clamping block is movably arranged on the reference rod, external threads are arranged on the reference rod, the clamping nut is installed on the outer side of the external threads, and the dustproof mechanism is installed on the clamping nut. Two dustproof mechanisms covering the external threads are detachably installed on the reference rod, each dustproof mechanism comprises a first semicircular shell, a second semicircular shell, a semicircular corrugated pipe, an inserting rod and a clamping groove, the first semicircular shell and the second semicircular shell are oppositely arranged, the semicircular corrugated pipes are fixed to the front end of the first semicircular shell and the front end of the second semicircular shell correspondingly, and the inserting rods are inserted into the semicircular corrugated pipes. A plurality of inserting rods are fixed to the second semicircular shell, and a plurality of clamping grooves used for clamping the inserting rods are formed in the first semicircular shell. The dust-proof screw is convenient to assemble and use, good in dust-proof performance and capable of preventing the screw thread from being blocked due to dust accumulation.
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Description

Technical Field

[0001] This utility model relates to the field of hook lock technology, and in particular to an assembled hook lock. Background Technology

[0002] The function of the hook lock is to fasten the switch point rail (movable point rail) to the stock rail (wing rail) or to fix the switch point rail in a certain position, lock the route, prevent human error or mistaken operation of the switch, and avoid trains from entering the wrong path, causing accidents such as derailment and collision.

[0003] Chinese patent CN222062003U discloses an internally locking turnout hook lock, including a screw and a handle. The handle is fixedly connected to the left end of the screw, and a locking device is provided on the screw. The locking device includes a locking mechanism and a fastening mechanism. In this internally locking turnout hook lock, turning the nut pushes the hook lock seat to the right, thereby cooperating with the fixed hook to fix the rail. Then, pressing down the locking rod causes it to insert into the locking hole on the locking platform along the inside of the fixing block, thus fixing the distance between the hook lock seat and the fixed hook to prevent loosening. After the locking rod is inserted into the locking hole, energizing the electromagnet generates a repulsive force between it and the fastening rod, pushing the fastening rod to slide outwards and insert into the fastening hole, completing the locking of the locking rod and preventing it from loosening and sliding out of the locking hole.

[0004] The aforementioned patent lacks a dustproof mechanism. When the hook lock is installed on the track, the train running on the track will bring up a lot of dust. Over time, a large amount of dust will accumulate on the screw, which can easily cause the threads to jam and make it difficult to disassemble. Therefore, in view of the above situation, there is an urgent need to develop an assembly-type hook lock that is easy to assemble and use, has good dustproof performance, and prevents dust accumulation from causing thread jamming, so as to overcome the shortcomings in current practical applications and meet current needs. Utility Model Content

[0005] The purpose of this invention is to provide an assembled hook lock to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An assembled hook lock includes a reference rod, a first locking block, a second locking block, a clamping nut, and a dustproof mechanism. The first locking block is fixed to the left end of the reference rod, and the second locking block is movably disposed on the reference rod. The reference rod has an external thread, and a clamping nut is installed on the outside of the external thread. The clamping nut is used to tighten the second locking block. Two dustproof mechanisms covering the external thread are detachably installed on the reference rod. The dustproof mechanism includes a first semi-circular shell, a second semi-circular shell, a semi-circular corrugated tube, a plug rod, and a slot. The first and second semi-circular shells are arranged opposite to each other. A semi-circular corrugated tube is fixed to the front end of each of the first and second semi-circular shells. Multiple plug rods are fixed on the second semi-circular shell, and multiple slots for locking the plug rods are provided on the first semi-circular shell.

[0008] Preferably, the two dustproof mechanisms have different lengths.

[0009] Preferably, the reference rod, the first locking block, and the second locking block are all made of carbon steel.

[0010] Preferably, the clamping nut is provided with a plurality of second locking holes, and the second locking block is provided with a first locking hole on one side.

[0011] Preferably, a plastic handle is detachably mounted on the right end of the reference rod.

[0012] The beneficial effects of this utility model are as follows: When using this assembled hook lock, first remove the dustproof mechanism, then pass the reference rod through the underside of the rail, so that the first and second locking blocks are located on opposite sides of the rail. Next, push the first locking block against one side of the rail, then tighten the clamping nut to press the second locking block firmly against the other side of the rail. Then, pass the lock through the second and first locking holes to lock it, thus preventing unauthorized personnel from tightening the clamping nut. Next, install the first and second semi-circular shells onto the outside of the external thread, so that the insert rod is inserted into the slot to connect the first and second semi-circular shells together. The first and second semi-circular shells, along with the semi-circular corrugated tube, cover the external thread, thus preventing dust accumulation on the external thread. In summary, this utility model is easy to assemble and use, has good dustproof performance, and prevents dust accumulation from causing thread jamming. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0014] Figure 2 This is a schematic diagram of the disassembled state of this utility model.

[0015] Figure 3 This is a partial structural diagram of the present invention. Figure 1 .

[0016] Figure 4This is a partial structural diagram of the present invention. Figure 2 .

[0017] Figure 5 This is a partial structural diagram of the present invention. Figure 3 .

[0018] Legend:

[0019] 1. Reference rod; 101. External thread; 2. First locking block; 3. Second locking block; 301. First locking hole; 4. Clamping nut; 401. Second locking hole; 5. Dustproof mechanism; 501. First semi-circular shell; 502. Second semi-circular shell; 503. Semi-circular corrugated tube; 504. Insert rod; 505. Slot; 6. Plastic handle. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0021] Specific implementation examples are given below.

[0022] See Figures 1-5 In this embodiment of the utility model, an assembled hook lock includes a reference rod 1, a first locking block 2, a second locking block 3, a clamping nut 4, and a dustproof mechanism 5. The first locking block 2 is fixed to the left end of the reference rod 1, and the second locking block 3 is movably disposed on the reference rod 1. The reference rod 1 is provided with an external thread 101, and the clamping nut 4 is installed on the outside of the external thread 101. The clamping nut 4 is used to tighten the second locking block 3. Two dustproof mechanisms 5 covering the external thread 101 are detachably installed on the reference rod 1. The two dustproof mechanisms 5 have different lengths and include: The first semicircular shell 501, the second semicircular shell 502, the semicircular corrugated tube 503, the insert rod 504, and the slot 505 are arranged opposite to each other. A semicircular corrugated tube 503 is fixed at the front end of each of the first semicircular shell 501 and the second semicircular shell 502. Multiple insert rods 504 are fixed on the second semicircular shell 502. Multiple slots 505 for locking the insert rods 504 are provided on the first semicircular shell 501. The overall length of the dustproof mechanism 5 can be adjusted to a certain extent by setting the semicircular corrugated tube 503.

[0023] A plastic handle 6 is detachably mounted on the right end of the reference rod 1.

[0024] The clamping nut 4 is provided with multiple second locking holes 401, and the second locking block 3 is provided with a first locking hole 301 on one side. After installation, the lock is passed through the second locking holes 401 and the first locking hole 301 to lock it, thereby preventing outsiders from turning the clamping nut 4.

[0025] The reference rod 1, the first locking block 2, and the second locking block 3 are all made of carbon steel, giving them good strength.

[0026] Working principle: When using this assembled hook lock, first remove the dustproof mechanism 5, then pass the reference rod 1 through the underside of the rail, so that the first locking block 2 and the second locking block 3 are located on both sides of the rail. Then, push the first locking block 2 against one side of the rail, and then tighten the clamping nut 4. The clamping nut 4 will tighten the second locking block 3, so that the second locking block 3 is tightly pushed against the other side of the rail. Then, lock the lock through the second locking hole 401 and the first locking hole 301 to prevent outsiders from tightening the clamping nut 4. Then, install the first semi-circular shell 501 and the second semi-circular shell 502 on the outside of the external thread 101, so that the insert rod 504 is inserted into the slot 505 to connect the first semi-circular shell 501 and the second semi-circular shell 502 together. The first semi-circular shell 501, the second semi-circular shell 502 and the semi-circular corrugated tube 503 cover the external thread 101, thereby preventing dust from accumulating on the external thread 101.

[0027] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An assembly-type hooking device, characterized in that, The utility model provides a dustproof mechanism for reference bar, first clamping block, second clamping block, clamping nut and dustproof mechanism are included, the left end of reference bar (1) is fixed with first clamping block (2), the second clamping block (3) is movably arranged on reference bar (1), the outer thread (101) is arranged on reference bar (1), the clamping nut (4) is installed to the outside of outer thread (101), the clamping nut (4) is used for to the second clamping block (3) of tight, two dustproof mechanisms (5) of cover outer thread (101) are detachably installed on reference bar (1), the dustproof mechanism (5) includes: first half circle shell (501), second half circle shell (502), half circle bellow (503), plug rod (504) and clamping groove (505), first half circle shell (501), second half circle shell (502) are oppositely arranged, the front end of first half circle shell (501), second half circle shell (502) is fixed with a half circle bellow (503) all, a plurality of plug rods (504) are fixed on second half circle shell (502), a plurality of clamping grooves (505) for clamping plug rod (504) are arranged on first half circle shell (501).

2. The assembly-type hook-keeper according to claim 1, wherein The length of the two dustproof mechanisms (5) is different.

3. The assembly-type hook-keeper of claim 1, wherein The reference bar (1), the first clamping block (2) and the second clamping block (3) are made of carbon steel.

4. The assembly-type hook-keeper of claim 1, wherein A plurality of second lock holes (401) are arranged on the clamping nut (4), and a first lock hole (301) is arranged on one side of the second clamping block (3).

5. The assembly-type hook-keeper of claim 1, wherein A plastic handle (6) is detachably installed on the right end of the reference bar (1).

Citation Information

Patent Citations

  • Internal locking turnout coupler lock device

    CN222062003U